acceleration(Noun) The amount by which a speed or velocity increases (and so a scalar quantity or a vector quantity). The boosters produce an acceleration of 20 metres per second per second. acceleration(Noun) The change of velocity with respect to time (can include deceleration or changing direction).
Northfork, West Virginia. Northfork is a town in McDowell County, West Virginia, USA, located on US Route 52 between Welch and Bluefield. The population was 429 at the 2010 census. Northfork was incorporated in 1901, so named because of its location on the north fork of the Elkhorn Creek at its junction with the south fork.
Signal Hill (Prince William County, Virginia) Signal Hill is a historic Confederate Army military site in Prince William County, Virginia. It is from this location, a signal station atop the hill, that Confederate observers in 1861 spotted Union Army troops attempting to cross Sudley Ford. The Confederate response to this maneuver began the First Battle of Bull Run.